This plugin stopped being developed.
See for reference of the old plugin files the Github mirror.
See for reference of the old plugin files the Github mirror.
Do you need a Number field in your Gravity Forms list column? And to make calculations within a list row or column? No need to look further, the plugin of Adrian Gordon does just that: Turn your list field columns into repeatable number fields.
DEMO
Demo Number for List Field
Just fill in some numbers in the list and hit the plus (+) sign nest to it, to see what happens.